Commodity2005200620072008200920102011
Unrefined copper; copper anodes for electrolytic refining$13,354,780$18,550,891$51,242$47,642,867$279,218$3,520,617$219,503
Total$13,354,780$18,550,891$51,242$47,642,867$279,218$3,520,617$219,503